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<p>[QUOTE=&quot;ValpoBeginner, post: 2639992, member: 77066&quot;]I have seen some interesting techniques to&nbsp; remove tarnish and other undesirables on silver coins.&nbsp; </p><p><br /></p><p>One of them I tried with a British Trade Dollar with excellent results.&nbsp;&nbsp; Even though I&#039;ve never even considered cleaning a coin,&nbsp; I&nbsp; had&nbsp; to find out if this one was minted in Calcutta or Bombay.&nbsp;&nbsp; So i did the experiment.</p><p><br /></p><p>Here&#039;s how it goes:</p><p><br /></p><p>Boil water, add baking soda and salt.&nbsp; </p><p>Meanwhile set up a glass Pyrex cooking cassarole dish (the kind of thing you&#039;d make lasagna in) and line it with a few layers of aluminum foil.</p><p><br /></p><p>After the water comes to a boil..... add the boiling&nbsp; water with the salt and baking soda in it to the Pyrex.&nbsp; </p><p><br /></p><p>Place coin in hot water and watch your coin return to its untarnished state. Electrons from the tarnish should transfer into the aluminum foil.</p><p><br /></p><p>There is a you tube video on this.</p><p><br /></p><p>GOOD LUCK and&nbsp; please let us know how it goes.[/QUOTE]</p><p><br /></p>

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